2 Copyright (C) 2021 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "lib/content.h"
23 #include "lib/content_factory.h"
25 #include "lib/text_content.h"
26 #include "lib/video_content.h"
31 #include <dcp/reel_subtitle_asset.h>
32 #include <boost/test/unit_test.hpp>
36 BOOST_AUTO_TEST_CASE (test_subtitle_timing_with_frame_rate_change)
38 using boost::filesystem::path;
40 constexpr auto content_frame_rate = 29.976f;
41 const std::string name = "test_subtitle_timing_with_frame_rate_change";
43 auto picture = content_factory("test/data/flat_red.png")[0];
44 auto sub = content_factory("test/data/hour.srt")[0];
45 sub->text.front()->set_language(dcp::LanguageTag("en-GB"));
47 auto film = new_test_film2 (name, { picture, sub });
48 picture->set_video_frame_rate(film, content_frame_rate);
49 auto const dcp_frame_rate = film->video_frame_rate();
51 make_and_verify_dcp (film, {dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME, dcp::VerificationNote::Code::INVALID_PICTURE_FRAME_RATE_FOR_2K });
53 dcp::DCP dcp(path("build/test") / name / film->dcp_name());
55 BOOST_REQUIRE_EQUAL(dcp.cpls().size(), 1U);
56 auto cpl = dcp.cpls()[0];
57 BOOST_REQUIRE_EQUAL(cpl->reels().size(), 1U);
58 auto reel = cpl->reels()[0];
59 BOOST_REQUIRE(reel->main_subtitle());
60 BOOST_REQUIRE(reel->main_subtitle()->asset());
62 auto subs = reel->main_subtitle()->asset()->subtitles();
65 auto error = std::abs(i->in().as_seconds() - (index * content_frame_rate / dcp_frame_rate));
66 BOOST_CHECK (error < (1.0f / dcp_frame_rate));